| Indiana University Foundation | 501(c)(3) | 1938 | $598.7 million | $4.67 billion | 2025-06 |
| South Central Community Action Program Inc | 501(c)(3) | 1965 | $14.5 million | $3.2 million | 2024-12 |
| Kelley Executive Education Foundation Inc | 501(c)(3) | 2009 | $6.2 million | $2 million | 2025-06 |
| Beacon Inc | 501(c)(3) | 2002 | $5.1 million | $4.1 million | 2024-12 |
| Association of College Unions- International | 501(c)(3) | 1991 | $4.5 million | $4 million | 2024-12 |
| Indiana University Rugby Advisory Council | 501(c)(3) | 2025 | $4.1 million | $4.4 million | 2025-12 |
| American University Central Asia Foundation | 501(c)(3) | 2007 | $3.8 million | $112,437 | 2025-12 |
| Bloomington Project School Inc | 501(c)(3) | 2008 | $3.6 million | $2.7 million | 2025-06 |
| Lighthouse Christian Academy Inc | 501(c)(3) | 1997 | $2.9 million | $3.7 million | 2025-06 |
| Bloomington Montessori Association Inc | 501(c)(3) | 1969 | $2.1 million | $2.3 million | 2025-07 |
| Bloomington Developmental Learning Center Incorporated | 501(c)(3) | 1990 | $1.5 million | $1.1 million | 2024-12 |
| Bloomington Center for Global Children | 501(c)(3) | 2024 | $998,559 | $271,936 | 2024-12 |
| Indiana University Research & Technology Corp | 501(c)(3) | 1997 | $871,095 | $16.8 million | 2025-06 |
| Teachers Warehouse Inc | 501(c)(3) | 2004 | $583,837 | $647,341 | 2025-06 |
| Network for Change and Continuous Innovation Inc | 501(c)(3) | 2004 | $357,787 | $408,901 | 2025-06 |
| Cedars Christian School | 501(c)(3) | 2024 | $341,848 | $78,812 | 2026-05 |
| Sigma Triton Corporation of Phi Sigma Kappa | 501(c)(7) | 2015 | $302,995 | $2.4 million | 2025-06 |
| Payments Academy Inc | 501(c)(3) | 2022 | $231,546 | $106,404 | 2023-12 |
| The Interfraternity Council of Indiana University Inc | 501(c)(7) | 2020 | $165,231 | $153,219 | 2023-05 |
| Learning Project | 501(c)(3) | 2014 | $144,506 | $31,963 | 2025-12 |
| Sounds of South Inc | 501(c)(3) | 2006 | $118,653 | $60,519 | 2025-06 |
| Greater Bloomington Chamber of Commerce Foundation | 501(c)(3) | 1999 | $103,745 | $135,300 | 2025-08 |
| Masters of Business Adminstration Association Mbaa | 501(c)(3) | 1992 | $88,278 | $86,567 | 2024-12 |
| Bloomington High School North Band Boosters Assoc | 501(c)(3) | 1974 | $87,465 | $294,864 | 2025-06 |
| Warhorn Media Inc | 501(c)(3) | 2023 | $27,127 | $30,541 | 2024-12 |
| French American Chemical Society | 501(c)(3) | 2019 | $11,106 | $14,765 | 2025-12 |
| Monroe County Community Schools Assistance Fund | 501(c)(3) | 1971 | $7,775 | $11,373 | 2025-12 |
| Bloomfiled Rotary Educational Foundation Inc | 501(c)(3) | 2020 | $6,652 | $129,368 | 2024-12 |
| Phi Chapter of Theta Tau Fraternity Education Foundation Inc | 501(c)(3) | 2002 | $6,500 | $125,500 | 2022-12 |
| Marching A Long Educational Foundation Inc | 501(c)(3) | 1995 | $1,017 | $6,344 | 2023-06 |
| A Support Incorporated | 501(c)(3) | 2025 | | | |
| Air Force Association | 501(c)(3) | 2009 | $0 | $0 | 2024-12 |
| Alpha Sigma Phi Fraternity Inc | 501(c)(7) | 1941 | $0 | $0 | 2025-06 |
| Anthropology Graduate Student Association at Indiana University | 501(c)(3) | 2025 | $0 | $0 | 2025-07 |
| Apache Language Consortium Inc | 501(c)(3) | 2019 | $0 | $0 | 2025-06 |
| Arlington Heights Parent-Teacher Organization | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Assisting Our Community Inc | 501(c)(3) | 2025 | | | |
| Auer Foundation LTD | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Batchelor Middle School Pto | 501(c)(3) | 2007 | $0 | $0 | 2025-12 |
| Best Food Forward Bloomington Inc | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Beyond the Chair Co | 501(c)(3) | 2024 | $0 | $0 | 2025-05 |
| Bloominglanka | 501(c)(3) | 2022 | $0 | $0 | 2026-01 |
| Bloomington Alpha Leadership Foundation Inc | 501(c)(3) | 2021 | | $8,605 | 2025-12 |
| Bloomington High School South Boys Booster Club Inc | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Bloomington High School South Girls Soccer Booster Club Inc | 501(c)(3) | 2005 | $0 | $0 | 2025-12 |
| Bloomington North Golf Foundation Inc | 501(c)(3) | 2017 | $0 | $0 | 2024-12 |
| Bloomington North High School Choir Boosters Association Inc | 501(c)(3) | 2023 | | $2,176 | 2025-06 |
| Bloomington Quilters Guild | 501(c)(3) | 2009 | $0 | $0 | 2026-06 |
| Bloomreads | 501(c)(3) | 2026 | | | |
| Boxcar Book and Community Center Inc | 501(c)(3) | 2002 | $0 | $0 | 2025-10 |
| Center for Knowledge Diffusion | 501(c)(3) | 2012 | $0 | $0 | 2025-12 |
| Childs Elementary School | 501(c)(3) | 2000 | $0 | $0 | 2026-07 |
| Clear Creek Christian School Inc | 501(c)(3) | 1996 | | | |
| Clear Creek Elementary Pto | 501(c)(3) | 2015 | $0 | $0 | 2026-06 |
| Cougars for Better Education Inc | 501(c)(3) | 1996 | $0 | $0 | 2026-06 |
| County Residents Against Annexation Inc | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Delong Foundation Inc | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Dress and Body Association Incorporated | 501(c)(3) | 2020 | $0 | $0 | 2024-12 |
| Edgewood Early Childhood Center Pto | 501(c)(3) | 2025 | | | |
| Edgewood Intermediate School Pto | 501(c)(3) | 2015 | $0 | $0 | 2026-06 |
| Edgewood Primary Parent Teacher Organization Pto | 501(c)(3) | 2011 | $0 | $0 | 2023-06 |
| Fairview Elementary Pto | 501(c)(3) | 2020 | $0 | $0 | 2026-06 |
| Fintech Indiana University | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Fintech at Indiana University | 501(c)(3) | 2024 | | | |
| Foundation for Global Education and Empowerment | 501(c)(3) | 2015 | $0 | $0 | 2024-12 |
| Frank & Lee Ann Hoffmann Popular Culture Archive | 501(c)(3) | 2019 | | $1 | 2025-12 |
| Friends of Sigma Pi Beta Chapter Inc | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Girls Rock Bloomington | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Grandview Elementary School Parent Teacher Organization Inc | 501(c)(3) | 2013 | $0 | $0 | 2025-12 |
| Hams Serving Our Community Inc | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Highland Park Elementary Pto | 501(c)(3) | 2006 | $0 | $0 | 2025-06 |
| Hoosier Association of Mathematics Teacher Educators | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Hoosier Total Rewards | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Indiana Beta Alumni Corporation | 501(c)(7) | 2009 | | | |
| Indiana Global Learning Center Inc | 501(c)(3) | 2022 | $0 | $0 | 2026-03 |
| Indiana Limestone Symposium Inc | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Indiana University Librarians Association | 501(c)(3) | 2001 | $0 | $0 | 2026-06 |
| International Association of Teachers of Ukrainian Incorporated | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| International Science Education Inc | 501(c)(3) | 2024 | $0 | $0 | 2026-03 |
| Ipo Investing at Iu | 501(c)(3) | 2025 | $0 | $0 | 2026-04 |
| Iu INC& | 501(c)(3) | 2026 | | | |
| Lakeview Elementary Pto | 501(c)(3) | 2008 | $0 | $0 | 2026-07 |
| Leadership Bloomington Monroe County Alumni Inc | 501(c)(3) | 2001 | $0 | $0 | 2025-12 |
| Learnopolis Institute of Languages Inc | 501(c)(3) | 2025 | | | |
| Limitless Club International LTD | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Marketing Her Way | 501(c)(3) | 2025 | | | |
| Marlin School Pto | 501(c)(3) | 2000 | $0 | $0 | 2025-09 |
| Monroe County Ravens Booster Club Inc | 501(c)(3) | 2024 | | | |
| National Eosinophilia Myalgia Syndrome Network | 501(c)(3) | 1996 | $0 | $0 | 2025-12 |
| Overseas Chinese Association for Institutional Research | 501(c)(3) | 2014 | $0 | $0 | 2026-06 |
| Richland Bean Blossom Community School Foundation | 501(c)(3) | 1991 | $0 | $0 | 2025-08 |
| Rogers-Binford Pto | 501(c)(3) | 2003 | $0 | $0 | 2026-07 |
| Saint Benedict Classical Catholic School Corporation | 501(c)(3) | 2016 | $0 | $0 | 2026-06 |
| School Project Foundation | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Society for Romanian Studies | 501(c)(3) | 2023 | $0 | $0 | 2025-09 |
| Star of Indiana | 501(c)(3) | 1997 | $0 | $0 | 2024-12 |
| Student Accounting Society at Indiana University | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Summit Pto Inc | 501(c)(3) | 2015 | $0 | $0 | 2025-06 |
| Templeton Elementary Pto Inc | 501(c)(3) | 2017 | $0 | $0 | 2025-06 |
| The Association of Vietnamese Profe Ssionals and Students in USA | 501(c)(3) | 2026 | | | |
| The George E Archer Foundation Inc | 501(c)(3) | 1985 | $0 | $0 | 2025-10 |
| The Indiana Wrangler Foundation Co | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| The National Parks Project Incorporated | 501(c)(3) | 2026 | | | |
| Tri-North Middle School Parent Teacher Organization Corporation | 501(c)(3) | 2018 | $0 | $0 | 2025-07 |
| Ukraine Student Hope Project | 501(c)(3) | 2015 | $0 | $0 | 2024-12 |
| Unionville Elementary Pto Inc | 501(c)(3) | 2005 | $0 | $0 | 2025-12 |
| United Montessori Schools of Indiana | 501(c)(3) | 2011 | $0 | $0 | 2025-12 |
| University School Parent Teacher Organization Corporation | 501(c)(3) | 2019 | $0 | $0 | 2025-07 |